International Prognostic Scoring System (IPSS): prognostic variables
| . | 0 . | 0.5 . | 1.0 . | 1.5 . | 2.0 . |
|---|---|---|---|---|---|
| Marrow blasts, % | <5 | 5-10 | — | 11-20 | 21-30 |
| Karotype | Good | Intermediate | Poor | ||
| Cytopenias | 0/1 | 2/3 | — | — | — |
| . | 0 . | 0.5 . | 1.0 . | 1.5 . | 2.0 . |
|---|---|---|---|---|---|
| Marrow blasts, % | <5 | 5-10 | — | 11-20 | 21-30 |
| Karotype | Good | Intermediate | Poor | ||
| Cytopenias | 0/1 | 2/3 | — | — | — |
— indicates not applicable; Good = normal, -y, del(5q), del(20q); Poor = complex (≥3 abnormalities) or chromosome 7 anomalies; and Intermediate = any other abnormalities.